
#include <cassert>
#include <iostream>

using namespace std;

class father {
  // int a;
public:
  father(){};
  virtual void setData(int v){};
  virtual void pnt() { cout << "father" << endl; };
  virtual ~father() { cout << "destruct" << endl; };
};

int main() {
  { father f; }
  cout << "hello" << endl;
  return 0;
}